"We get one of these little pings on our smartphones, and we get a little hit of dopamine as well. We get excited. We feel anticipation. As we feel this, we want it more and more. So we spend more and more time looking at our phones."
Source : "Frederick Wiseman on his new film and his dream of shooting in the White House". Interview with Sam Fragoso, www.avclub.com. November 3, 2015.